LM4892 Overview
The LM4892 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable munication device applications. It is capable of delivering 1 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply. Switching between bridged speaker mode and headphone (single-ended) mode is acplished using the headphone sense pin.